規格
| 屬性 | 價值 |
| Package / Case | Tray |
| Part Status | Active |
| Number of Bits | 24 |
| Sampling Rate(Per Second) | 19.2k |
| Number of Inputs | 8, 15, 16 |
| Input Type | Differential, Pseudo-Differential, Single Ended |
| Data Interface | SPI, DSP |
| Configuration | MUX-PGA-ADC |
| Number of A/D Converters | 1 |
| Architecture | Sigma-Delta |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | ±1.8V, 2.7V ~ 3.6V |
| Voltage - Supply, Digital | 1.65V ~ 3.6V |
| Features | PGA, Temperature Sensor |
| Operating Temperature | -40°C ~ 125°C |
| Supplier Device Package | 32-LFCSP (5x5) |
概述
Description
The AD7124-8BCPZ is a low-power, 24-bit Σ-Δ ADC from Analog Devices, designed for precision measurement applications. Key features include:
- Channels: 8 differential/15 pseudo-differential inputs.
- Resolution: 24-bit with low noise (22.5nV/√Hz).
- Flexibility: Programmable gain (1–128), output data rates (1.17–19.2kSPS), and power modes.
- Integrated Features: On-chip PGA, reference, and diagnostics (sensor burnout detection, CRC).
- Interfaces: SPI-compatible serial interface.
- Power Supply: 2.7–5.25V, with ultra-low current consumption (50µA in standby).
Ideal for industrial, medical, and instrumentation systems requiring high accuracy (e.g., RTDs, thermocouples, strain gauges). Its small 32-lead LFCSP package suits space-constrained designs.
For detailed specs, refer to the [datasheet](https://www.analog.com/media/en/technical-documentation/data-sheets/AD7124-8.pdf).
- Channels: 8 differential/15 pseudo-differential inputs.
- Resolution: 24-bit with low noise (22.5nV/√Hz).
- Flexibility: Programmable gain (1–128), output data rates (1.17–19.2kSPS), and power modes.
- Integrated Features: On-chip PGA, reference, and diagnostics (sensor burnout detection, CRC).
- Interfaces: SPI-compatible serial interface.
- Power Supply: 2.7–5.25V, with ultra-low current consumption (50µA in standby).
Ideal for industrial, medical, and instrumentation systems requiring high accuracy (e.g., RTDs, thermocouples, strain gauges). Its small 32-lead LFCSP package suits space-constrained designs.
For detailed specs, refer to the [datasheet](https://www.analog.com/media/en/technical-documentation/data-sheets/AD7124-8.pdf).
Equivalent
Equivalent products to the AD7124-8BCPZ (24-bit Σ-Δ ADC) include:
- ADS124S08 (TI) - 24-bit, 8-channel, low-power ADC.
- LTC2498 (Analog Devices) - 24-bit, 8/16-channel ADC with high accuracy.
- MAX11270 (Maxim Integrated) - 24-bit, 8-channel, low-noise ADC.
- MCP3551 (Microchip) - 22-bit, single-channel (lower resolution but cost-effective).
These alternatives offer similar precision and features for sensor measurement applications.
- ADS124S08 (TI) - 24-bit, 8-channel, low-power ADC.
- LTC2498 (Analog Devices) - 24-bit, 8/16-channel ADC with high accuracy.
- MAX11270 (Maxim Integrated) - 24-bit, 8-channel, low-noise ADC.
- MCP3551 (Microchip) - 22-bit, single-channel (lower resolution but cost-effective).
These alternatives offer similar precision and features for sensor measurement applications.
Features
The AD7124-8BCPZ is a low-power, 24-bit Σ-Δ ADC with these key features:
- Channels: 8 differential/15 single-ended inputs.
- Resolution: 24-bit with low noise (22.5nV/√Hz at 1.17SPS).
- Power: Ultra-low power (50µA at 1.17SPS, 1mW total).
- Interface: SPI-compatible.
- PGA: Programmable gain (1–128).
- Output Rate: 1.17SPS to 19.2kSPS.
- Reference: Internal (2.5V) or external.
- Diagnostics: Built-in checks (open-circuit, over/under-voltage).
- Temp Range: -40°C to +125°C.
- Package: 32-lead LFCSP (5mm × 5mm).
Ideal for precision sensor applications like RTDs, thermocouples, and industrial systems.
- Channels: 8 differential/15 single-ended inputs.
- Resolution: 24-bit with low noise (22.5nV/√Hz at 1.17SPS).
- Power: Ultra-low power (50µA at 1.17SPS, 1mW total).
- Interface: SPI-compatible.
- PGA: Programmable gain (1–128).
- Output Rate: 1.17SPS to 19.2kSPS.
- Reference: Internal (2.5V) or external.
- Diagnostics: Built-in checks (open-circuit, over/under-voltage).
- Temp Range: -40°C to +125°C.
- Package: 32-lead LFCSP (5mm × 5mm).
Ideal for precision sensor applications like RTDs, thermocouples, and industrial systems.
Pinout
The AD7124-8BCPZ is a 24-bit Σ-Δ ADC with 32 pins in an LFCSP package. Key functions include:
- Analog Inputs: 16 single-ended or 8 differential channels.
- Reference Inputs: REFIN1(±), REFIN2(±) for flexible reference voltage.
- Digital Interface: SPI-compatible (SCLK, DIN, DOUT, CS).
- Power Supply: AVDD (2.7–5.25V), DVDD (1.65–3.6V).
- Control Pins: RESET, SYNC, and DRDY (data ready).
- Clock: Internal/external via CLK pin.
- Analog Output: Excitation current sources for RTDs.
It integrates PGA, diagnostics, and low-noise performance for precision sensor applications.
- Analog Inputs: 16 single-ended or 8 differential channels.
- Reference Inputs: REFIN1(±), REFIN2(±) for flexible reference voltage.
- Digital Interface: SPI-compatible (SCLK, DIN, DOUT, CS).
- Power Supply: AVDD (2.7–5.25V), DVDD (1.65–3.6V).
- Control Pins: RESET, SYNC, and DRDY (data ready).
- Clock: Internal/external via CLK pin.
- Analog Output: Excitation current sources for RTDs.
It integrates PGA, diagnostics, and low-noise performance for precision sensor applications.
Manufacturer
The AD7124-8BCPZ is manufactured by Analog Devices, Inc. (ADI), a leading global semiconductor company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Wilmington, Massachusetts, ADI serves industries like industrial, automotive, healthcare, and communications with precision data conversion, signal conditioning, and sensor interface solutions. The AD7124-8BCPZ is a low-power, 24-bit sigma-delta ADC designed for precision measurement applications. Analog Devices is renowned for its innovation and reliability in analog technology.
Application
The AD7124-8BCPZ is a low-power, high-precision 24-bit ADC ideal for:
1. Industrial Automation – Process control, PLCs, and sensor interfaces.
2. Medical Devices – Patient monitoring and portable equipment.
3. Test & Measurement – Precision data acquisition systems.
4. Energy Monitoring – Smart meters and power quality analysis.
5. Automotive – Battery management and sensor signal conditioning.
6. Aerospace – Avionics and harsh-environment sensing.
Its low noise, flexible inputs, and integrated features suit applications requiring high accuracy and reliability.
1. Industrial Automation – Process control, PLCs, and sensor interfaces.
2. Medical Devices – Patient monitoring and portable equipment.
3. Test & Measurement – Precision data acquisition systems.
4. Energy Monitoring – Smart meters and power quality analysis.
5. Automotive – Battery management and sensor signal conditioning.
6. Aerospace – Avionics and harsh-environment sensing.
Its low noise, flexible inputs, and integrated features suit applications requiring high accuracy and reliability.
Package
The AD7124-8BCPZ comes in a 32-lead LFCSP (Lead Frame Chip Scale Package). This compact, surface-mount package measures 5mm × 5mm and features an exposed pad for thermal management. It is suitable for high-precision applications due to its robust design and efficient heat dissipation.
